The Fluke 393 FC CAT III 1500V True-RMS Clamp Meter with iFlex is an industrial clamp meter designed for solar photovoltaic (PV) installation technicians and maintenance professionals who work in high-voltage dc environments. Safely connect the MC4 test leads to the clamp meter to validate voltage and current from individual panels or a series of panels in a PV array. The inline capabilities of the MC4 PVLEAD3 lead to allow the system to remain online and generate power while testing without needing to pierce the line.